Mitoyo may refer to:

• Mitoyo, Kagawa, a city in Kagawa Prefecture, Japan
• Mitoyo District, Kagawa, a former district in Kagawa Prefecture
• Mitoyo Kawate (1889–2003), Japanese supercentenarian

• 1981-82 Colorado Rockies (NHL) season
• 1981-82 Combined Counties Football League
• 1981-82 Connecticut Huskies men's basketball team
• 1981-82 Coppa Italia
• 1981-82 Cupa României
• 1981-82 Cypriot Cup
• 1981-82 Cypriot Second Division
• 1981-82 Cypriot Third Division
• 1981-82 Danish 1. division season
• 1981-82 DDR-Oberliga
• 1981-82 DDR-Oberliga (ice hockey) season
• 1981-82 Detroit Pistons season
• 1981-82 DFB-Pokal
• 1981-82 DFB-Pokal (women)
• 1981-82 Division 1 season (Swedish ice hockey)
• 1981-82 Divizia B
• 1981-82 Drake Bulldogs women's basketball team
• 1981-82 Drexel Dragons men's basketball team
• 1981-82 Duke Blue Devils men's basketball team
• 1981-82 Duleep Trophy
• 1981-82 Dumbarton F.C. season
• 1981-82 Dundee United F.C. season
• 1981-82 Eintracht Frankfurt season
• 1981-82 England Hockey League season
• 1981-82 English League North season